Is Twitter F'ed? — The question of business model timing seems to come up weekly with regards to some startup. As Twitter usage has grown, have they f'ed themselves out of a real, sustainable business model? And has Pownce done something right by launching with a business model?

Twitter's Business Model — I woke up this morning and found a twitter message on my phone from chris herbert pointing me to this discussion of twitter's business model on techmeme — That's the tiny url that chris sent me. I hope it works. I'm still limited to my blackberry for internet here on the great barrier reef

Calacanis: You have to be a “player” — Amid all the to-and-fro'ing on Techmeme about Twitter and its lack of a business model comes a post from Jason “Mahalo” Calacanis, in which he tells us the secret to building a business model in Silicon Valley. Is it a vision of where the market is going?

Twitter's business model — When I was in college, professors used to ask questions that are much harder than the question Allen Stern asks in this piece. — The NY Times crossword puzzle is harder. — Geez, installing a new hard disk in a MacBook is harder, and as I've found out that's pretty easy.

Sears: Come see the softer side of spyware — Sears and Kmart are places you might go when you need a new air conditioner filter or a lawnmower; they're not generally thought of as havens for spyware. But that's what the two stores have become, at least online, where their websites were found …

Netflix Partners with LG to Bring Movies Straight to TV — SAN FRANCISCO — Netflix, the DVD-by-mail company with more than seven million customers, has a new strategy that may one day make those red envelopes obsolete. — The company wants to strike deals with electronics companies …

Jay-Z launching record label with Apple — This one's been floating around like a hot air balloon, but we've just about confirmed it. For those that don't know, Jay-Z left Def Jam as President last month, and everyone's been talking about where he's heading.

Plaxo's For Sale — Plaxo, the Sequoia-backed start that transformed itself from a hated spam monster into a mild mannered and interesting business social network, has started a sale process according to a source. They've hired an investment bank, Revolution Partners, who are spearheading the sale effort.

The Next Google Search Challenger: Blekko — Rich Skrenta, who created the first computer virus (Elk Cloner), co-founded the Open Directory Project, and co-founded online news site Topix, may have bitten off the biggest challenge of his career - taking on Google. In search. — Skrenta left Topix last June.

JPMorgan Predicts 2008 Will Be “Nothing But Net” — JPMorgan's Internet analyst Imran Khan and his team released a massive 312-page report this morning titled Nothing But Net that paints a bullish picture for the major Internet stocks (Google, Amazon, Yahoo, eBay, Expedia, Salesforce.com …

New Apple notebook spotted, we told you so — The above photo may be the work of a PS junkie or it may just be the real thing. In any case, the rumor mill is abuzz surrounding Macworld. This time around it's all coming back to the purported multi-touch trackpad we told you about during the summer.